升级到tomcat 8 SEVERE时出错:Servlet.service() for servlet jsp 抛出了异

Question

运行从Tomcat7到Tomcat7/java7到java8的升级项目时遇到问题。我有这些错误

java.lang.LinkageError： loader constraint viaration： 当解析方法"org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(Ljavax/servlet/ServletConfig;(Lorg/apache/tomcat/InstanceManager;" 当前类的类加载器(org/apache/jasper/servlet/JasperLoader 的实例(，org/apache/jsp/WEB_002dINF/pages/index_jsp，以及方法定义类 org/apache/jasper/runtime/InstanceManagerFactory 的类加载器(org/codehaus/plexus/classworlds/realm/ClassRealm 的实例(，对于签名中使用的 org/apache/tomcat/InstanceManager 类型，具有不同的类对象。

这是我的绒球.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.springframework.samples.service.service</groupId>
<artifactId>crmdev</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<properties>
<!-- Generic properties -->
<java.version>1.8</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<!-- Web -->
<jsp.version>2.2</jsp.version>
<jstl.version>1.2</jstl.version>
<servlet.version>3.0.1</servlet.version>
<!-- Spring -->
<spring-framework.version>4.0.3.RELEASE</spring-framework.version>
<spring.security.version>3.2.9.RELEASE</spring.security.version>
<!-- Hibern ate / JPA -->
<hibernate.version>4.3.5.Final</hibernate.version>
<!-- Logging -->
<logback.version>1.0.13</logback.version>
<slf4j.version>1.7.5</slf4j.version>
<!-- Test -->
<junit.version>4.11</junit.version>
</properties>
<dependencies>
<!-- Spring MVC -->
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jasper</artifactId>
<version>8.0.20</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<!-- Other Web dependencies -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>${servlet.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp.version}</version>
</dependency>
<!-- Spring and Transactions -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<!-- Spring Security -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>${spring.security.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
<version>${spring.security.version}</version>
</dependency>
<!-- Spring ORM support -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<!-- Logging with SLF4J & LogBack -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.9.2</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
<!-- Hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-c3p0</artifactId>
<version>${hibernate.version}</version>
<scope>provided</scope>
</dependency>
<!-- Test Artifacts -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-framework.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.3</version>
</dependency>
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>20041127.091804</version>
</dependency>
<!-- Memory Leak Preventer -->
<dependency>
<groupId>se.jiderhamn.classloader-leak-prevention</groupId>
<artifactId>classloader-leak-prevention-servlet</artifactId>
<version>2.6.1</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>org.apache.ant</groupId>
<artifactId>ant</artifactId>
<version>1.8.2</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat8-maven-plugin</artifactId>
<!-- <version>2.2</version> -->
<version>3.0-r1756463</version>
<configuration>
<port>8010</port>
</configuration>
</plugin>
</plugins>
</build>

这是我的索引.jsp

<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>CRM</title>
</head>
<jsp:include page="maincontent/loader.jsp"></jsp:include>
<body style="overflow-x:hidden"  onload="window.close();">
<div id="headerDiv" class="container-fluid">
<jsp:include page="maincontent/mainheader.jsp"></jsp:include>
</div>
<div id="mainDiv" class="container">
<jsp:include page="login/loginform.jsp"></jsp:include>
</div>
<div id="navDiv"></div>
<div class="maincontentdiv container-fluid tab-content" id="maincontentDiv">
<div class="tab-pane fade in" id="homeDiv"></div>
<div class="tab-pane fade in" id="polInqDiv"></div>
<div class="tab-pane fade in" id="clmInqDiv"></div>
<div class="tab-pane fade in" id="openClmDiv"></div>
<div class="tab-pane fade in" id="openClntPrflDiv"></div>
<div class="tab-pane fade in" id="draftClmDiv"></div>
</div>
<div id="messageDialogDiv" title="">
<br/><br/>
<span id="messageIcon" style="float:left; margin:-3px 10px 0px 0;width: 20px;height:20px;"></span>
<div id="messageDiv"></div>
<br/>
</div>
<div id="onloadDiv">
</div>
</body>
<script type="text/javascript">
var indexselected = "HOME";
</script>
</html>

Answer 1

以下内容应具有提供的范围：

<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp.version}</version>
<scope>provided</scope>
</dependency>

我希望这应该可以解决您的问题。